Table 3. Mean ± SE time and frequency of comfort and abnormal behavior of Muscovy duck in relation to the housing system.
| Behavioral patterns | Litter | Cage | Sig. |
|---|---|---|---|
| Resting time (sec/h) | 1335 ± 171.37 | 1206 ± 134.0 | N.S |
| Resting frequency/h | 16.15 ± 1.47 | 12.45 ± 1.49 | N.S |
| Feather preening time (sec/h) | 531.109 ± 97.26 | 487.75 ± 97.99 | NS |
| Feather preening frequency/h | 8.90 ± 0.85 | 6.10 ± 1.2 | * |
| Head shaking frequency/h | 0.88 ± 0.90 | 0.58 ± 0.90 | * |
| Wing flapping frequency/h | 1.59 ± 0.18 | 0.92 ± 0.18 | * |
| Body shaking frequency/h | 1.57 ± 0.18 | 0.80 ± 0.18 | ** |
| Pecking frequency/h | 1.25 ± 0.52 | 1.58 ± 0.43 | N.S |
N.S = non-significant,
*
Significance difference at level p ≤ 0.05,
**
Highly significant difference at level p ≤ 0.01.